diff options
| author | Mistivia <i@mistivia.com> | 2025-11-02 15:27:18 +0800 |
|---|---|---|
| committer | Mistivia <i@mistivia.com> | 2025-11-02 15:27:18 +0800 |
| commit | e9c24f4af7ed56760f6db7941827d09f6db9020b (patch) | |
| tree | 62128c43b883ce5e3148113350978755779bb5de /teleirc/matterbridge/vendor/github.com/pborman/uuid/time.go | |
| parent | 58d5e7cfda4781d8a57ec52aefd02983835c301a (diff) | |
add matterbridge
Diffstat (limited to 'teleirc/matterbridge/vendor/github.com/pborman/uuid/time.go')
| -rw-r--r-- | teleirc/matterbridge/vendor/github.com/pborman/uuid/time.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/teleirc/matterbridge/vendor/github.com/pborman/uuid/time.go b/teleirc/matterbridge/vendor/github.com/pborman/uuid/time.go new file mode 100644 index 0000000..7286824 --- /dev/null +++ b/teleirc/matterbridge/vendor/github.com/pborman/uuid/time.go @@ -0,0 +1,57 @@ +// Copyright 2014 Google Inc. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package uuid + +import ( + "encoding/binary" + + guuid "github.com/google/uuid" +) + +// A Time represents a time as the number of 100's of nanoseconds since 15 Oct +// 1582. +type Time = guuid.Time + +// GetTime returns the current Time (100s of nanoseconds since 15 Oct 1582) and +// clock sequence as well as adjusting the clock sequence as needed. An error +// is returned if the current time cannot be determined. +func GetTime() (Time, uint16, error) { return guuid.GetTime() } + +// ClockSequence returns the current clock sequence, generating one if not +// already set. The clock sequence is only used for Version 1 UUIDs. +// +// The uuid package does not use global static storage for the clock sequence or +// the last time a UUID was generated. Unless SetClockSequence a new random +// clock sequence is generated the first time a clock sequence is requested by +// ClockSequence, GetTime, or NewUUID. (section 4.2.1.1) sequence is generated +// for +func ClockSequence() int { return guuid.ClockSequence() } + +// SetClockSequence sets the clock sequence to the lower 14 bits of seq. Setting to +// -1 causes a new sequence to be generated. +func SetClockSequence(seq int) { guuid.SetClockSequence(seq) } + +// Time returns the time in 100s of nanoseconds since 15 Oct 1582 encoded in +// uuid. It returns false if uuid is not valid. The time is only well defined +// for version 1 and 2 UUIDs. +func (uuid UUID) Time() (Time, bool) { + if len(uuid) != 16 { + return 0, false + } + time := int64(binary.BigEndian.Uint32(uuid[0:4])) + time |= int64(binary.BigEndian.Uint16(uuid[4:6])) << 32 + time |= int64(binary.BigEndian.Uint16(uuid[6:8])&0xfff) << 48 + return Time(time), true +} + +// ClockSequence returns the clock sequence encoded in uuid. It returns false +// if uuid is not valid. The clock sequence is only well defined for version 1 +// and 2 UUIDs. +func (uuid UUID) ClockSequence() (int, bool) { + if len(uuid) != 16 { + return 0, false + } + return int(binary.BigEndian.Uint16(uuid[8:10])) & 0x3fff, true +} |
